Pilosocereus polygonus (Lam.) Byles & G.D.Rowley in Cact. Succ. J. Gr. Brit. 19(3): 67. 1957
Pilosocereus polygonus in Cact. Succ. J. Gr. Brit. 19(3): 67. 1957
is new combination for Cactus polygonus, Encycl. 1(1): 539. 1783
Pilosocereus polygonus in Cact. Succ. J. Gr. Brit. 19(3): 67. 1957